<!DOCTYPE html>
<html>
<head>
    <title></title>

    <script src="../final.js"></script>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            font-family: arial, helvetica, sans-serif;
        }
        .button_example{
            margin: 5px;
        }
        .item{
            width: 0px;
            height: 40px;
            color: #000;
            background-color: #fff;
            overflow: hidden;
            margin: 10px;
            float: left;
            -webkit-transition: all .5s;
        }
        .item_update{
            height: 40px;
            width: 200px;
            background-color: orange;
        }
        .item_exit{
            color: #fff;
            background-color: #fff;
            width: 0px;
            margin: 0px;
        }
        .container{
            width: 810px;
        }
    </style>
</head>
<body>
<div id="container" class="container">

</div>
<script src="example_simple_list.js"></script>
</body>
</html>